ShoppingCart

package cashregister;

import java.util.Collection;

import container.Container;
import rbvs.product.IShoppingCartElement;

public class ShoppingCart extends Object
implements IShoppingCart{

    private long id;
    private Collection<IShoppingCartElement> shoppingCartElements;

    //konstruktor
    public ShoppingCart(long id) {
    this.id=id;
    shoppingCartElements = new Container<>();
    }

    @Override
    public void addElement(IShoppingCartElement shoppingCartElement) {
        // TODO Auto-generated method stub
        this.shoppingCartElements.add(shoppingCartElement);

    }
    @Override
    public Collection<IShoppingCartElement> currentElements() {
        return this.shoppingCartElements;

    }
    @Override
    public int getNumberOfElements() {
        // TODO Auto-generated method stub
        return this.getNumberOfElements();
    }
    @Override
    public Long getShoppingCartID() {
        // TODO Auto-generated method stub
        return (this.id);
    }

    @Override
    public float getTotalPriceOfElements() {
        // TODO Auto-generated method stub
        float suma = 0;
        for(IShoppingCartElement element : shoppingCartElements) {
            suma = suma + element.getPrice();
        }
        return suma;

    }
    @Override
    public boolean removeElement(IShoppingCartElement element) {
        // TODO Auto-generated method stub
        if(shoppingCartElements.contains(element)) {
            shoppingCartElements.remove(element);
            return true;
        }
        else return false;
    }

    @Override
    public String toString() {
        return "ShoppingCart [id=" + id + ", shoppingCartElements=" + shoppingCartElements + "]";
    }



}